java将用户输入信息保存至txt文件

防止创建多个字符串对象

package com.mingrisoft;

import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.FileWriter;
import java.io.IOException;

import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.Jframe;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;

public class Hobbyframe extends Jframe {

    private static final long serialVersionUID = -3091839699328509198L;
    private JPanel contentPane;
    JCheckBox checkBox1;
    JCheckBox checkBox4;
    JCheckBox checkBox2;
    JCheckBox checkBox5;
    JCheckBox checkBox3;
    JCheckBox checkBox6;

    /**
     * Launch the application.
     */
    public static void main（String[] args） {
        EventQueue.i

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件         379  2011-05-23 19:43  .project
     目录           0  2012-02-22 14:42  .settings\
     文件         629  2011-05-23 19:43  .settings\org.eclipse.jdt.core.prefs
     目录           0  2012-02-22 14:42  src\
     目录           0  2012-02-22 14:42  src\com\
     目录           0  2012-02-22 14:42  src\com\mingrisoft\
     文件        4599  2011-05-23 19:43  src\com\mingrisoft\Hobbyframe.java
     文件         301  2011-05-23 19:43  .classpath